[linux-dvb] Re: 2.6 request_firmware and frontends

[Andrew de Quincey <adq_dvb@lidskialf.net>]

On Wednesday 28 January 2004 16:37, Holger Waechtler wrote:
> Holger Waechtler wrote:
> > Andrew de Quincey wrote:
> >> I just spent a while trying to figure out how I would go about using
> >> the 2.6 request_firmware() calls for the tda1004x driver. As far as I
> >> can see, its impossible right now.
> >>
> >> The problem is you have to pass a struct device* into
> >> request_firmware() to tell the kernel which device you are. Frontend
> >> drivers have no idea of which physical device they are attached to.
> >
> > we could move the 'struct dvb_device *dvbdev' member from the struct
> > dvb_frontend_data to struct dvb_frontend, then it would get passed
> > directly to the ioctl.
>
> oops - sorry, I misunderstood the problem.
>
> To solve it cleanly this would need to rewrite the entire dvbdev code
> (to register a device/interface/bus/system class 'DVB' so that we can
> also load MPEG decoder and/or DSP firmwares cleanly -- in those cases we
> also have no attached predefined bus or device classes, at least not in
> STBs) but this would again make the entire code unportable and 2.6-only.
>
> I'd vote instead for a politically less correct solution and leave the
> firmware code as-is and delay this for the v4 code -- this will probably
> be 2.6-only anyway.

Sure, thats fine by me... I'd do it if there was a good way of solving this 
problem, but I'm perfectly happy to just leave it as it is.... I mean it IS 
working fine right now.

Ah well, back to the DVB CA stuff now.


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